Measurement USB-1208FS-Plus-OEM User Manual
USB-1024LS
24-bit Digital I/O
Low-speed USB 2.0 device
User’s Guide
USB-1024LS
USB-based Digital I/O Module
User's Guide
Document Revision 2, May, 2006
© Copyright 2006, Measurement Computing Corporation
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iii
Table of Contents
Preface
About this User's Guide .......................................................................................................................v
What you will learn from this user's guide .........................................................................................................v
Conventions in this user's guide .........................................................................................................................v
Where to find more information.........................................................................................................................v
Chapter 1
Introducing the USB-1024LS............................................................................................................ 1-1
USB-1024LS block diagram........................................................................................................................... 1-2
Software features............................................................................................................................................ 1-2
Connecting a USB-1024LS to your computer is easy .................................................................................... 1-3
Chapter 2
Installing the USB-1024LS................................................................................................................ 2-1
What comes with your USB-1024LS shipment? ............................................................................................ 2-1
Hardware ....................................................................................................................................................................... 2-1
Additional documentation.............................................................................................................................................. 2-1
Unpacking the USB-1024LS.......................................................................................................................... 2-1
Installing the software .................................................................................................................................... 2-2
Installing the hardware ................................................................................................................................... 2-2
Chapter 3
Functional Details ............................................................................................................................. 3-1
External components ...................................................................................................................................... 3-1
USB connector............................................................................................................................................................... 3-1
LED ............................................................................................................................................................................... 3-1
Screw terminal wiring.................................................................................................................................................... 3-1
Main connector and pin out ........................................................................................................................................... 3-2
Digital I/O terminals (Port A0 to A7, Port B0 to B7, Port C0 to C7)............................................................................. 3-3
Power terminals ............................................................................................................................................................. 3-4
Ground terminals ...........................................................................................................................................................3-4
Counter terminal ............................................................................................................................................................ 3-4
Chapter 4
Specifications.................................................................................................................................... 4-1
Digital input / output....................................................................................................................................... 4-1
Counter ........................................................................................................................................................... 4-1
Power.............................................................................................................................................................. 4-1
General ........................................................................................................................................................... 4-2
Environmental ................................................................................................................................................ 4-2
Mechanical ..................................................................................................................................................... 4-2
Main connector and pin out............................................................................................................................ 4-3
iv
Preface
About this User's Guide
What you will learn from this user's guide
This user's guide explains how to install, configure, and use the USB-1024LS so that you get the most out of its
USB digital I/O features.
This user's guide also refers you to related documents available on our web site, and to technical support
resources.
Conventions in this user's guide
For more information on …
Text presented in a box signifies additional information and helpful hints related to the subject matter you are
reading.
Caution! Shaded caution statements present information to help you avoid injuring yourself and others,
damaging your hardware, or losing your data.
<#:#> Angle brackets that enclose numbers separated by a colon signify a range of numbers, such as those assigned
to registers, bit settings, etc.
bold text Bold text is used for the names of objects on the screen, such as buttons, text boxes, and check boxes. For
example:
1. Insert the disk or CD and click the OK button.
italic text Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase. For
example:
The InstaCal® installation procedure is explained in the Quick Start Guide.
Never touch the exposed pins or circuit connections on the board.
Where to find more information
Additional information about E-1608 hardware is available on our website at www.mccdaq.com. You can also
contact Measurement Computing Corporation by phone, fax, or email with specific questions.
Knowledgebase: kb.mccdaq.com
Tech support form: www.mccdaq.com/support/support_form.aspx
Email: techsupport@mccdaq.com
Phone: 508-946-5100 and follow the instructions for reaching Tech Support
v
Introducing the USB-1024LS
This user's guide contains all of the information you need to connect the USB-1024LS measurement and
automation device to your computer and to other data acquisition hardware.
Chapter 1
The USB-DIO24/37 is a USB 1.1 low-speed module supported under popular Microsoft
systems. It is designed for USB 1.1 ports, and was tested for full compatibility with both USB 1.1 and USB 2.0
ports.
The USB-1024LS features 24 bits of digital I/O and one 32-bit external event counter. The device is powered
by the +5 volt USB supply. No external power is required.
An on-board industry standard 82C55 programmable peripheral interface chip provides the 24 discrete digital
I/O lines in four ports. You can configure each digital port independently for either input or output.
The USB-1024LS USB device is shown in Figure 1-1. All I/O connections are made to the screw terminals
located along each side of the USB-1024LS.
®
Windows® operating
Figure 1-1. USB-1024LS
1-1
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